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Hace 1 día · The brightest star in the Large Magellanic Cloud. S Doradus: 100: Large Magellanic Cloud L/T eff: A luminous blue variable in the S Doradus instability strip. HD 37974: ... List of largest supernova progenitors Star or supernova name Solar radii (Sun = 1) Year Galaxy Group Method Notes SN 2020faa: 1,000: 2020 2MASS J14470904+7244157
Hace 4 horas · List of orders of magnitude for energy; Factor (joules) SI prefix Value Item 10 −34: 6.626×10 −34 J: Photon energy of a photon with a frequency of 1 hertz.: 10 −33: 2×10 −33 J: Average kinetic energy of translational motion of a molecule at the lowest temperature reached, 100 picokelvins as of 1999: 10 −30: quecto-(qJ)10 −28: 6.6×10 −28 J : Energy of a typical AM radio photon ...
Hace 1 día · A system called TOI 4633 seems truly strange: a mysterious type of planet known as a “mini-Neptune” traces an Earth-like, 272-day orbit around one of two stars locked in their own orbital embrace. But the stellar orbits, and those of the mini-Neptune and a possible sibling planet, are raising questions about how planetary systems form ...
